/*
 * Copyright 2023 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.compose.foundation.demos.text

import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.Row
import androidx.compose.foundation.layout.Spacer
import androidx.compose.foundation.layout.fillMaxWidth
import androidx.compose.foundation.layout.padding
import androidx.compose.foundation.layout.wrapContentWidth
import androidx.compose.material.Button
import androidx.compose.material.Switch
import androidx.compose.material.Text
import androidx.compose.material.TextField
import androidx.compose.runtime.Composable
import androidx.compose.runtime.getValue
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.runtime.setValue
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.platform.LocalFocusManager
import androidx.compose.ui.unit.dp

@Composable
fun ReadOnlyTextFieldDemo() {
    var readOnly by remember { mutableStateOf(true) }
    var text by remember { mutableStateOf("") }
    val focusManager = LocalFocusManager.current

    Column(Modifier.padding(8.dp)) {
        Row(verticalAlignment = Alignment.CenterVertically) {
            Text("Readonly:")
            Spacer(Modifier.weight(1f, fill = true))
            Switch(checked = readOnly, onCheckedChange = { readOnly = it })
        }

        TextField(
            value = text,
            onValueChange = { text = it },
            readOnly = readOnly,
            modifier = Modifier.fillMaxWidth()
        )

        Button(
            onClick = { focusManager.clearFocus() },
            modifier = Modifier
                .fillMaxWidth()
                .wrapContentWidth()
        ) {
            Text("Clear focus")
        }
    }
}
